CN113057147A - Lobster fishing device - Google Patents
Lobster fishing device Download PDFInfo
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- CN113057147A CN113057147A CN202110363121.2A CN202110363121A CN113057147A CN 113057147 A CN113057147 A CN 113057147A CN 202110363121 A CN202110363121 A CN 202110363121A CN 113057147 A CN113057147 A CN 113057147A
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- net cage
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- 241000238565 lobster Species 0.000 title claims abstract description 42
- 241000238557 Decapoda Species 0.000 claims abstract description 138
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000012216 screening Methods 0.000 description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 241000721671 Ludwigia Species 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 241000238017 Astacoidea Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 244000058871 Echinochloa crus-galli Species 0.000 description 2
- 235000015225 Panicum colonum Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000238073 Homarus gammarus Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 210000002816 gill Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K69/00—Stationary catching devices
- A01K69/06—Traps
- A01K69/08—Rigid traps, e.g. lobster pots
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Artificial Fish Reefs (AREA)
Abstract
The invention discloses a lobster fishing device, which relates to the technical field of aquatic product fishing tools and comprises at least one ground cage, a frame, a net cage and first inverted whiskers, wherein first through holes corresponding to the number of the ground cages are formed in the peripheral side of the frame, the open end of the ground cage is connected to the first through holes, the net cage is detachably connected into the frame, second through holes in butt joint with the open end are formed in the peripheral side of the net cage, the first inverted whiskers are arranged in the second through holes, and the first inverted whiskers allow lobsters to pass through only from the ground cage to the net cage. When catching shrimps, the lobsters enter the ground cage and climb into the net cage from the ground cage, the lobsters cannot return to the ground cage and stay in the net cage due to the first inverted beards, and because the net cage is detachably connected with the frame, when the shrimps are collected, the lobsters only need to be taken out of the frame of the net cage, poured into the collecting cylinder and then put back into the frame, and the second through holes are butted with the open ends of the ground cage, so that the whole process is simple and convenient to operate, the ground cage does not need to be collected again, and time and labor are saved.
Description
Technical Field
The invention relates to the technical field of aquatic product catching tools, in particular to a lobster catching device.
Background
The lobster breeding is an industry for artificially breeding and catching lobsters, and generally, the lobsters can be caught and sold after the lobsters enter march.
At present, three methods of hand-net fishing, dry-pond fishing and ground-cage fishing are generally adopted for fishing the cultured lobsters, wherein the hand-net fishing is to tie the upper part of a lobster net into a square shape, leave an inverted cone-shaped funnel below the net, continuously drive the lobsters along the edge zone of the lobster pond or the water-grass cluster by using a wooden pole, so that the crayfishes enter the fishing net, and the crayfishes can be left in the fishing net after lifting the net, so that the fishing method is suitable for the places with shallow water and dense crayfishes, and particularly has better fishing effect and too low single efficiency in the places where the water-grass is more lush; the dry pond catching is to pump water in the pond to be dry, so that the crayfishes are concentrated at the bottom of the pond and can be caught in a manual hand-training mode, the damage of the prawn larvae is large, the lobsters are easy to drill grass and drill holes, and the lobsters are not suitable for areas with large water areas; the ground cage fishing is the most common and effective fishing mode, is directly placed in a shrimp pond to catch shrimps, and can protect the ecology of the shrimp pond.
Mode is catched to ground cage among the prior art, puts the cage at every turn and all fixes ground cage both ends, need lift up the one end of ground cage when receiving the cage at every turn, trembles the lobster of cage body to the ground cage other end and concentrates, unties the tip rope again and pours the lobster into bucket or the basin of receiving down, then pricks the ground cage tip and places fixed ground cage again, often needs dozens of to several hundreds of ground cages to a slice shrimp pond, so work load is considerable, consuming time hard.
Disclosure of Invention
The invention aims to provide a lobster fishing device, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a device is catched to lobster, includes at least one ground cage, frame, box with a net and first inverted beard, wherein, frame week side is provided with the correspondence the first through-hole of ground cage quantity, the open end of ground cage connect in first through-hole department, the box with a net detachable connect in the frame, week side of box with a net seted up with the second through-hole of open end butt joint, first inverted beard set up in the second through-hole, the direction that first inverted beard allowed the lobster to pass through is only from ground cage to box with a net.
Further, the aperture size of the side face of the net cage is adjustable.
Further, the ground cage includes the cage body and connects the changeover portion of cage body and first through-hole, the changeover portion can be the bending and folding.
Further, the bottom of the frame is provided with a height adjusting mechanism to adjust the height of the frame.
Furthermore, a shielding part extending towards the outer side is arranged at the top of the shrimp inlet of the ground cage.
Further, a handle is arranged on the net cage.
Further, the box with a net includes heavy case portion and connect in the flotation tank portion at heavy case portion top, flotation tank portion can float on the surface of water.
Furthermore, the net cage is divided into a whole shrimp box and a shrimp seed box through an isolation part, the second through hole is formed in the whole shrimp box, a second inverted beard extending into the shrimp seed box is arranged on the isolation part, a separation net is arranged at the inlet of the second inverted beard, and the aperture of the separation net only allows the shrimp seeds to pass through.
Furthermore, the number of the ground cages is two, and the ground cages are respectively arranged on two opposite sides of the frame.
Further, the number of the ground cages is four, and the ground cages are respectively arranged on four sides of the rectangular frame.
In the technical scheme, when the lobsters are caught, the lobsters enter the ground cage and climb into the net cage from the ground cage, the lobsters cannot return to the ground cage and stay in the net cage due to the first inverted beards, and when the lobsters are collected, the net cage is taken out of the frame and poured into the collecting barrel, then the net cage is placed back into the frame, and the second through hole is in butt joint with the open end of the ground cage, so that the whole process is simple and convenient to operate, the ground cage does not need to be retracted again, and time and labor are saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure between a frame and two cages according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a net cage according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a transition section structure according to an embodiment of the present invention;
fig. 5 is a schematic view of a connection structure of the net cage and the frame according to the embodiment of the present invention;
FIG. 6 is a schematic view of the net cage according to the embodiment of the present invention taken out from the frame;
fig. 7 is a schematic structural view of a caisson portion and a floating net portion of the net cage according to the embodiment of the present invention;
fig. 8 is a top view of a shrimp seed box structure of the net box according to the embodiment of the invention;
FIG. 9 is a schematic structural diagram of a docking mechanism according to an embodiment of the present invention;
fig. 10 is a structural sectional view of the second through hole and the first through hole in butt joint according to the embodiment of the present invention.
Description of reference numerals:
1. a ground cage; 1.1, transition section; 1.2, screening; 1.3, a shielding part; 2. a frame; 2.1, a first through hole; 3. a net cage; 3.1, a second through hole; 3.2, a caisson part; 3.3, a buoyancy tank part; 3.31, net neck; 3.32, a buoyancy block; 3.33, a water upper tank part; 3.4, a whole shrimp box; 3.5, a shrimp larvae box; 3.6, screening the net; 4. first inverted beard; 5. a height adjustment mechanism; 5.1, a base; 5.2, supporting rods; 5.3, a sliding part; 5.4, fastening bolts; 6. a handle; 7. a sloping plate; 8. a second inverted beard; 9. an isolation section; 10. separating the net; 11. a docking mechanism; 10.1, fixing a ring; 10.2, a slip ring; 10.3, a fixed part; 10.4, pressure spring.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-10, a lobster fishing device according to an embodiment of the present invention includes at least one ground cage 1, a frame 2, a net cage 3, and first inverted whiskers 4, wherein first through holes 2.1 corresponding to the number of the ground cages 1 are disposed around the frame 2, an open end of the ground cage 1 is connected to the first through holes 2.1, the net cage 3 is detachably connected to the frame 2, second through holes 3.1 are disposed around the net cage 3 and are in butt joint with the open end, the first inverted whiskers 4 are disposed in the second through holes 3.1, and the first inverted whiskers 4 allow lobsters to pass through only from the ground cage 1 to the net cage 3.
Specifically, box with a net 3 includes the stereoplasm skeleton and surrounds the mesh grid outside the stereoplasm skeleton, and box with a net 3 upper portion reserves has the weaving net that surpasss the skeleton, and direct weaving net through tieing the reservation with the rope can seal box with a net 3, perhaps, is provided with the lid that can open and shut on the box with a net 3, and the lid can be connected through the zip fastener with box with a net 3, and the lid is preferred to be set up in the top of box with a net 3. The dimensions of the frame 2 are adapted to the dimensions of the net cage 3, preferably with the upper part of the frame 2 completely open, from which upper part the net cage 3 can be inserted into the frame 2 and from which the net cage 3 can be removed from the frame 2. It is of course also possible to have a completely open side of the frame 2, with the net cages 3 inserted laterally into the frame 2 from the side of the frame 2, but this way is somewhat cumbersome to handle with respect to the first mentioned way. When the net cage 3 is inserted into the frame 2, a larger friction force exists between the woven net and the frame 2, so that the net cage 3 is very stable after being inserted into the frame 2, and the net cage 3 and the frame 2 do not need to be additionally fixed. When the net cage 3 is inserted into the innermost part of the frame 2, for example, when the net cage 3 is inserted into the bottommost part of the frame 2 from top to bottom, the second through hole 3.1 on the net cage 3 is just butted with the first through hole 2.1 of the frame 2, namely, the second through hole 3.1 on the net cage 3 is just butted with the open end of the ground cage 1, and according to the habit that lobsters like to climb upwards, the height of the first through hole 2.1 is higher than the height of the cage body of the ground cage 1. The first inverted beard 4 is of a hollow round platform-shaped structure, the periphery of one end with a large diameter is connected with the periphery of the second through hole 3.1, the end with a small diameter extends into the net cage 3 and is suspended, and the first inverted beard 4 has the function that lobsters can only enter the net cage 3 from the ground cage 1 but cannot return to the ground cage 1 from the net cage 3. After the lobsters enter the ground cage 1 from the third inverted whiskers on the ground cage 1, the lobsters cannot go out from the third inverted whiskers of the ground cage 1, crawl in the ground cage 1 and finally enter the net cage 3 from the open end of the ground cage 1 through the first inverted whiskers 4, so that the lobsters in the ground cage 1 are collected in the net cage 3. When the lobster fishing device is placed in a lobster pond, the cage 3 is exposed out of the water surface due to attention, so that the lobsters in the cage 3 can breathe and oxygenate the water surface by the gills, and the lobsters are prevented from being completely oppressed in the water for a long time and being dead in oxygen deficiency.
According to the lobster fishing device provided by the invention, when catching the lobsters, the lobsters enter the ground cage 1 and climb into the net cage 3 from the ground cage 1, the first inverted beards 4 prevent the lobsters from returning to the ground cage 1 and stay in the net cage 3, and as the net cage 3 is detachably connected with the frame 2, when the lobsters are collected, the net cage 3 is only required to be taken out of the frame 2 and poured into the collecting cylinder, and then the net cage 3 is put back into the frame 2, so that the second through holes 3.1 are in butt joint with the open end of the ground cage 1, the whole process is simple and convenient to operate, the ground cage 1 does not need to be retracted again, time and labor are saved, and the lobster fishing device is particularly suitable for being used in artificial culture lobsters with higher density.
As the preferred technical scheme of this embodiment, the relative both sides in box with a net 3 upper portion are provided with a handle 6 respectively, can get box with a net 3 of putting more conveniently through handle 6.
As a preferable technical solution of the present embodiment, the shielding portion 1.3 extending to the outside is disposed at the top of the shrimp inlet of the ground cage 1, the third inverted beard is disposed at the shrimp inlet, and the shielding portion 1.3 can prevent lobsters from climbing to the top of the outside of the ground cage 1 along the arc-shaped third inverted beard of the ground cage 1, so as to promote the lobsters to enter the ground cage 1 from the third inverted beard.
In another embodiment provided by the invention, referring to fig. 3, the aperture size of the side surface of the net cage 3 is adjustable, specifically, the formed shrimps (i.e. lobsters with larger heads) can not pass through the aperture smaller than 4.0cm, the shrimp seeds can not pass through the aperture smaller than 1.0cm, the lobsters with medium heads between the formed shrimps and the shrimp seeds can not pass through the aperture smaller than 2.4cm, the aperture of the net cage 3 is set to 3.5-4.0cm, only the formed shrimps are generally retained in the net cage 3, and the lobsters with smaller heads and the shrimp seeds can directly drill out from the meshes of the net cage 3, so that the advantage is that only the formed shrimps can be specifically captured, and the lobsters with small sizes and small sizes can not be captured together for selection as the conventional lobsters 1. Preferably, only the aperture of one side or more sides of the net cage 3 is set to be 3.5-4.0cm, the aperture of the rest part is set to be less than 1.0cm or even no hole (the water in the net cage 3 can be quickly drained when the net cage 3 is taken conveniently, the hole is preferably opened), the side surface of the net cage 3 with the aperture of 3.5-4.0cm is detachably connected with a screening net 3.6, for example, the side surface of the net cage 3 with the aperture of 3.5-4.0cm can be completely covered by connecting through a zipper, or one end of the screening net 3.6 is hinged with the net cage 3, and the other end is movably connected with the net cage 3, the screening net 3.6 is unfolded to completely cover the side surface of the net cage 3 with the aperture of 3.5-4.0cm, and the screening net 3.6 is folded or rolled up to not shield the; when the aperture of the screening net 3.6 is set to be 2.0-2.4cm, the shrimp seeds can pass through the screening net 3.6, the adult shrimps and the medium-sized lobsters between the adult shrimps and the shrimp seeds can not pass through the screening net 3.6, and thus the net cage 3 can retain the adult shrimps and the medium-sized lobsters; when the aperture of the screening net 3.6 is set to be smaller than 1cm or even no hole is formed, the adult shrimps, the medium-sized lobsters and the shrimp seeds can not pass through the screening net 3.6, and the net cage 3 can simultaneously collect the adult shrimps, the medium-sized lobsters and the shrimp seeds.
In this embodiment, further, one side of the net cage 3 with a pore size of 3.5-4.0cm is detachably connected with two screening nets 3.6, wherein one screening net 3.6 has a pore size of 2.0-2.4cm, and the other screening net 3.6 has a pore size of less than 1.0cm or no pore, so that the screening nets 3.6 can be selectively used according to the size of the lobsters.
In another embodiment provided by the invention, because the height of the first through hole 2.1 is higher than that of the cage body of the ground cage 1, the ground cage 1 comprises the cage body and the transition section, the transition section can be bent and folded and is used for connecting the cage body with the first through hole 2.1, and the height difference between the cage body and the first through hole 2.1 can be resolved by the transition section 1.1.
As a preferable technical solution of this embodiment, referring to fig. 4, the transition section 1.1 includes a screening section 1.2, that is, a section on the transition section 1.1 is a screening section 1.2, the aperture of the transition section 1.1 is consistent with that of the cage body and is smaller than 1cm, when the aperture of the screening section 1.2 is set to 2.0-2.4cm, the adult shrimps and the intermediate lobsters between the adult shrimps and the young shrimps cannot pass through the mesh of the screening section 1.2, and the young shrimps can be drilled outside from the mesh of the screening section 1.2, so that the screening section 1.2 can screen part or all of the young shrimps; when the aperture of the screening section 1.2 is set to be 3.5-4.0cm, the adult shrimps cannot pass through the meshes of the screening section 1.2, and the young shrimps and the medium-sized lobsters can be drilled out of the meshes of the screening section 1.2, so that the screening section 1.2 can screen part or all of the young shrimps and the medium-sized lobsters. When need not to sieve the lobster, directly with sieve the iron hoop at section both ends close together and fixed can, preferred because the iron hoop possesses certain toughness, possesses certain elastic deformation's ability, only need with sieve the iron hoop of section wherein one end buckle the iron hoop inside of the section other end of sieving and to make two iron hoops fixed.
In the embodiment, further, the transition section 1.1 comprises a first section and a second section which are connected, the aperture of the first section is set to be 2.0-2.4cm, and the aperture of the second section is set to be 3.5-4.0 cm; when only adult shrimps are needed, the second section is unfolded; when only adult lobsters and middle-sized lobsters are needed, the iron hoops at the two ends of the second section are buckled together; when the lobsters are not required to be screened, the iron hoops at the two ends of the transition section 1.1 are buckled together.
In still another embodiment provided by the invention, the water level of the shrimp pond for cultivation can be manually intervened according to different seasons and temperatures and the propagation and growth factors of lobsters, for example, the temperature is higher in summer, the propagation and growth of lobsters are faster, the water level of the shrimp pond is generally kept at about 60-90cm, and the water level of the shrimp pond is generally kept at about 20-40cm in winter. Therefore, referring to fig. 6, the bottom of the frame 2 is provided with a height adjusting mechanism 5 to adjust the height of the frame 2 from the water bottom, so that the height of the net cage 3 can be adjusted according to different water levels, the top of the net cage 3 can be exposed out of the water surface, and lobsters in the net cage 3 can breathe and increase oxygen to the water surface. Preferably, height adjustment mechanism 5 includes base 5.1 and sets up bracing piece 5.2 on base 5.1, the vertical sliding connection in bracing piece 5.2 top in frame 2 still includes the locking piece, and the locking piece can be fixed bracing piece 5.2 locking on frame 2 to can be with bracing piece 5.2 from the unblock on frame 2. Specifically, bracing piece 5.2 top is provided with sliding part 5.3, like sliding ring or slider, frame 2 includes the montant, the sliding ring cover establish slide in on the montant, the locking piece including set up with threaded hole and fastening bolt 5.4 on the sliding ring, fastening bolt 5.4 threaded connection is in the threaded hole, supports tight montant through twisting fastening bolt 5.4 to it is fixed with the montant to fix solid fixed ring 10.1, and then adjusts the height of box with a net 3 in order to adapt to the shrimp pond water level.
In still another embodiment of the present invention, referring to fig. 7, the net cage 3 includes a caisson portion 3.2 and a buoyancy tank portion 3.3 connected to the top of the caisson portion 3.2, and the buoyancy tank portion 3.3 can float on the water surface. Preferably, the buoyancy tank portion 3.3 includes a net neck portion 3.31, a buoyancy block 3.32 and an upper water tank portion 3.33, wherein the bottom end of the net neck portion 3.31 is connected to the top of the caisson portion 3.2, the top periphery of the net neck portion 3.31 is connected to the annular buoyancy block 3.32, the upper water tank portion 3.33 is connected to the buoyancy block 3.32, the net neck portion 3.31 is of an annular net structure capable of being folded and stretched, the buoyancy block 3.32 can float on the water surface, the buoyancy of the buoyancy block 3.32 can enable the upper water tank portion 3.33 to be located above the water surface, the buoyancy tank portion 3.3 can automatically adapt to the water level change, the upper water tank portion 3.33 can be always kept above the water surface, oxygen can be enriched for lobsters in the net tank 3, especially, when the water level rises in the rainy day, the top of the net tank 3 is exposed out of the water surface without manually adjusting the net tank 3, and the use is very.
As a preferred technical solution of this embodiment, the buoyancy of the buoyancy block 3.32 is greater than the gravity of the net cage 3 and the friction force between the net cage 3 and the frame 2, and the height adjusting mechanism 5 is fixed at the water bottom, for example, the height adjusting mechanism 5 is weighted or the height adjusting mechanism 5 is pressed by bricks, or the bottom of the height adjusting mechanism 5 is provided with an inserting rod, the inserting rod is inserted into the soil at the water bottom, so that the height adjusting mechanism 5 can be fixed at the water bottom, and the buoyancy block 3.32 is made of foam or an air bag. If the water level of the shrimp pond rises sharply due to factors such as heavy rain, even if the net neck part 3.31 is completely extended, the water level rises, at the moment, the net cage 3 moves upwards from the frame 2 due to the buoyancy of the buoyancy block 3.32, so that the water tank part 3.33 is kept above the water surface all the time, the net cage 3 is prevented from being completely submerged, and the lobsters collected in the net cage 3 cannot be anoxic and killed due to flooding.
As the preferred technical scheme of this embodiment, there is a detachable connection structure between the buoyancy block 3.32 and the top of the caisson portion 3.2, for example, the buoyancy block 3.32 is provided with a hook hooked on the caisson portion 3.2 or tied together or clamped by a rope, so that the buoyancy block 3.32 and the water caisson portion 3.33 can be locked on the top of the caisson portion 3.2 when the shrimps are received, and the net cage 3 can be taken out of the frame 2 to pour the shrimps; meanwhile, when the water level of the shrimp pond is low, the upper part of the caisson part 3.2 is flushed or exposed out of the water surface, the buoyancy block 3.32 and the water caisson part 3.33 are locked at the top of the caisson part 3.2, so that the caisson part 3.2 and the buoyancy tank part 3.3 form a relatively fixed whole, and the net cage 3 is convenient to take and place.
Further, under the condition that the water level of the shrimp pond changes greatly due to seasonal climate, the height of the net cage 3 from the water bottom is preferably adjusted through the height adjusting mechanism 5 with a large adjusting range, namely rough adjustment, when the water level changes slightly, the water level can be adapted to the change of the water level through the floating box part 3.3, namely fine adjustment, so that the water upper box part 3.33 is always kept above the water surface, and lobsters in the net cage 3 can breathe and oxygen-increase on the water surface.
In another embodiment provided by the invention, the existing method for collecting the young shrimps by the farmers is to catch all the young shrimps together, then manually and independently select the young shrimps for selling or breeding, the selection of the young shrimps consumes time and energy, the large young lobsters also interfere with the selection, and the young shrimps are frequently accidentally injured in the selection process, so that the survival rate of the young shrimps after stocking is seriously affected. Therefore, referring to fig. 8, the net cage 3 is divided into a whole shrimp box 3.4 and a shrimp seed box 3.5 by the separating part 9, the second through hole 3.1 is arranged on the whole shrimp box 3.4, the separating part 9 is provided with a second inverted beard 8 extending to the shrimp seed box 3.5, namely, the lobsters can only enter the shrimp seed box 3.5 from the whole shrimp box 3.4, the inlet of the second inverted beard 8 is provided with a separation net 10, the aperture of the separation net 10 only allows the shrimp seeds to pass through, and the aperture of the separation net 10 is set to be 2.0-2.4cm adult shrimps and medium-sized lobsters can not pass through the separation net 10. After lobsters of all individual sizes entered into whole shrimp case 3.4 from ground cage 1, partial or even whole shrimp seedling passed through separate net 10 and must 8 enter into shrimp seedling case 3.5 from the second in, the second must 8 make the shrimp seedling can't return to whole shrimp case 3.4, shrimp seedling case 3.5 just so can collect the shrimp seedling alone, need not the letter sorting, and the raiser of being convenient for breeds the shrimp seedling alone or sells, very convenient and practical.
In still another embodiment of the present invention, referring to fig. 8-10, an abutting mechanism is disposed around the second through hole 3.1 for abutting against the open end of the grounding cage 1. Preferably, the docking mechanism 11 comprises a fixed ring 10.1, a sliding ring 10.2 and a plurality of elastic units, the fixing ring 10.1 is embedded in the second through hole 3.1 and is coaxial with the second through hole 3.1, the sliding ring 10.2 is axially slidably arranged in the fixing ring 10.1, the first inverted beard 4 is fixedly connected to the sliding ring 10.2, the process of restoring the original shape of the elastic unit drives the sliding ring 10.2 to axially slide towards the outer side of the net cage 3 along the fixing ring 10.1, preferably, the elastic unit comprises a fixing part 10.3 and a pressure spring 10.4, the fixing part 10.3 is fixedly connected to the fixing ring 10.1, the fixing part 10.3 is preferably in an L-shaped rod shape, two ends of the pressure spring 10.4 are respectively connected with the fixing part 10.3 and the sliding ring 10.2, the elastic force of the pressure spring 10.4 acts on the sliding ring 10.2 towards the outer side of the net cage 3 along the axial direction of the fixing ring 10.1, one end of the sliding ring 10.2, which is positioned on the inner side of the box body, and is matched with the fixing ring 10.1 in; the butt mechanism still includes swash plate 7, and swash plate 7 sets up in frame 2 top, is located first through-hole 2.1 top, and swash plate 7 top is to the frame 2 outside slope. When the net cage 3 is inserted into the frame 2 from the upper side of the frame 2 downwards, the end part of the sliding ring 10.2, which is abutted to the outer side of the net cage 3 due to the elasticity of the pressure spring 10.4, contacts the upper part of the inclined plate 7, and along with the downward movement of the net cage 3, the sliding ring 10.2 moves towards the inner side of the net cage 3 and compresses the pressure spring 10.4 until the net cage 3 is installed in place and the end surface of the sliding ring 10.2 is abutted to the opening end of the ground cage 1 due to the elasticity of the spring. The abutting mechanism is arranged to enable the second through hole 3.1 to be in butt joint with the open end of the ground cage 1 tightly, the lobster is prevented from escaping from a gap at the butt joint of the second through hole 3.1 and the open end, meanwhile, the frictional resistance between the net cage 3 and the frame 2 can be increased, the net cage 3 is placed in the frame 2 more stably, the water level rises higher, when the buoyancy block 3.32 is submerged after the net neck part 3.31 is completely extended, the frictional resistance can avoid the situation that the lobster in the ground cage 1 escapes from the open end due to the fact that the net cage 3 floats integrally due to the fact that the buoyancy block 3.32 is larger, at the moment, although the buoyancy block 3.32 is submerged, a part of the water tank part 3.33 is still located above the water surface, and the lobster in the net cage 3 can breathe and oxygenate oxygen to the water surface conveniently.
In another embodiment of the present invention, preferably, the number of the ground cages 1 is two, and the ground cages are respectively arranged on two opposite sides of the frame 2, i.e. the lobster fishing device is in a shape of a Chinese character 'yi', for most of the lobster ponds, a plurality of lobster fishing devices can be arranged in parallel at one time, and the lobster fishing effect is good. According to the habit that lobsters like to burrow on the shore, the lobster fishing device is convenient to arrange along the shore of the lobster pond.
In another embodiment provided by the invention, preferably, the number of the ground cages 1 is four, and the ground cages are respectively arranged on four sides of the rectangular frame 2, namely the whole lobster catching device is in a cross shape, and the catching effect of the lobster catching device is better for lobster ponds with larger water areas. Further, the frame 2 and the net cage 3 are both arranged in a cylindrical shape, the plurality of ground cages 1 distributed in a circumferential array are arranged on the circumferential side of the frame 2, namely, the ground cages 1 are radially distributed on the circumferential side of the frame 2, so that the embodiment can cover a circular water area formed by taking the frame 2 and the net cage 3 as centers and taking the length of the ground cages 1 as a radius, and the shrimp catching effect is very good.
In another embodiment provided by the invention, preferably, the number of the ground cages 1 is two, and the ground cages are respectively arranged on two adjacent side surfaces of the frame 2, namely the lobster catching device is L-shaped as a whole. Of course, the size of the included angle formed between the two ground cages 1 in the embodiment can be adaptively changed according to the size of the corner angle of the shrimp pond.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a lobster fishing device, includes at least one ground cage, its characterized in that still includes:
the periphery of the frame is provided with first through holes corresponding to the number of the ground cages, and the opening ends of the ground cages are connected to the first through holes;
the net cage is detachably connected in the frame, and second through holes in butt joint with the opening end are formed in the peripheral side of the net cage;
the first inverted beards are arranged at the second through holes, and the direction of allowing the lobsters to pass through is only from the ground cage to the net cage.
2. The lobster fishing device according to claim 1, wherein the size of the aperture of the side of the net cage is adjustable.
3. The lobster fishing device of claim 1, wherein the ground cage comprises a cage body and a transition section connecting the cage body and the first through hole, the transition section being capable of being bent and folded.
4. The lobster fishing device of claim 1, wherein the bottom of the frame is provided with a height adjustment mechanism to adjust the height of the frame.
5. The lobster fishing device as claimed in claim 1, wherein the top of the lobster inlet of the ground cage is provided with a shielding part extending to the outside.
6. The lobster fishing device according to claim 1, wherein a handle is provided on the net cage.
7. The lobster fishing device according to claim 1, wherein the net cage comprises a caisson portion and a buoyancy tank portion connected to a top of the caisson portion, the buoyancy tank portion being capable of floating on the water surface.
8. The lobster fishing device as claimed in claim 1, wherein the net cage is partitioned into a whole shrimp box and a young shrimp box by a partition part, the second through hole is provided on the whole shrimp box, the partition part is provided with a second inverted beard extending into the young shrimp box, a partition net is provided at an inlet of the second inverted beard, and the aperture of the partition net only allows the young shrimps to pass through.
9. The lobster fishing device as claimed in claim 1, wherein the number of the ground cages is two, which are respectively provided at opposite sides of the frame.
10. The lobster fishing device as claimed in claim 1, wherein the number of the ground cages is four, which are respectively provided on four sides of the rectangular frame.
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| CN202110363121.2A CN113057147B (en) | 2021-04-02 | 2021-04-02 | Lobster fishing device |
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| CN202110363121.2A CN113057147B (en) | 2021-04-02 | 2021-04-02 | Lobster fishing device |
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| CN113728984A (en) * | 2021-08-31 | 2021-12-03 | 兴化市现代农业发展服务中心 | Device for catching lobsters |
| CN114747548A (en) * | 2022-04-07 | 2022-07-15 | 中国科学院水生生物研究所 | Seedling catching type ground cage |
| CN115720878A (en) * | 2022-11-17 | 2023-03-03 | 中国水产科学研究院渔业机械仪器研究所 | Batch grading catching device for large-scale net cage cultured fishes and using method |
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| CN113728984A (en) * | 2021-08-31 | 2021-12-03 | 兴化市现代农业发展服务中心 | Device for catching lobsters |
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| CN113057147B (en) | 2024-01-16 |
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